125720044 has 6 divisors (see below), whose sum is σ = 220010084. Its totient is φ = 62860020.

The previous prime is 125720027. The next prime is 125720069. The reversal of 125720044 is 440027521.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715002 + ... + 15715009.

Almost surely, 2^125720044 is an apocalyptic number.

It is an amenable number.

125720044 is a deficient number, since it is larger than the sum of its proper divisors (94290040).

125720044 is a wasteful number, since it uses less digits than its factorization.

125720044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31430015 (or 31430013 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 125720044 is about 11212.4949944247. The cubic root of 125720044 is about 500.9582211181.

Adding to 125720044 its reverse (440027521), we get a palindrome (565747565).

The spelling of 125720044 in words is "one hundred twenty-five million, seven hundred twenty thousand, forty-four".